1395168425 has 36 divisors (see below), whose sum is σ = 2016394380. Its totient is φ = 954817920.

The previous prime is 1395168419. The next prime is 1395168487. The reversal of 1395168425 is 5248615931.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 222516889 + 1172651536 = 14917^2 + 34244^2 .

It is not a de Polignac number, because 1395168425 - 2¹⁰ = 1395167401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 975611 + ... + 977039.

It is an arithmetic number, because the mean of its divisors is an integer number (56010955).

Almost surely, 2^1395168425 is an apocalyptic number.

It is an amenable number.

1395168425 is a deficient number, since it is larger than the sum of its proper divisors (621225955).

1395168425 is a wasteful number, since it uses less digits than its factorization.

1395168425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2238 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 1395168425 is about 37351.9534295062. The cubic root of 1395168425 is about 1117.4005470135.

The spelling of 1395168425 in words is "one billion, three hundred ninety-five million, one hundred sixty-eight thousand, four hundred twenty-five".